Special Charges (Textual) (Details) $ in Thousands	3 Months Ended						6 Months Ended	9 Months Ended		12 Months Ended
	Aug. 04, 2018 USD ($) employee	May 05, 2018 USD ($)	Feb. 03, 2018 USD ($) employee	Jul. 29, 2017 USD ($)	Jan. 28, 2017 USD ($) employee	Apr. 30, 2016 USD ($) employee	Aug. 04, 2018 USD ($)	Aug. 04, 2018 USD ($) employee	Jul. 29, 2017 USD ($)	Oct. 28, 2017 USD ($)	Oct. 29, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Special charges	$ 1,069			$ 0				$ 59,476	$ 49,463
Facility Closing
Restructuring Cost and Reserve [Line Items]
Special charges	1,069	$ 1,089						41,201
Reduction of Operating Costs Action
Restructuring Cost and Reserve [Line Items]
Special charges	0	0						16,117
Early Retirement Action
Restructuring Cost and Reserve [Line Items]
Special charges	$ 0	$ 0						0
Workforce Reductions Plan 2018
Restructuring Cost and Reserve [Line Items]
Special charges								59,476
Workforce Reductions Plan 2018 | Facility Closing
Restructuring Cost and Reserve [Line Items]
Special charges			$ 41,200				$ 2,200	$ 43,359
Number of manufacturing, engineering and selling, marketing, general and administrative employees related to operating costs action | employee								1,249
Workforce Reductions Plan 2018 | Reduction of Operating Costs Action
Restructuring Cost and Reserve [Line Items]
Special charges			$ 16,100
Number of employees still employed who are planned to be separated | employee	7
Workforce Reductions Plan 2018 | Early Retirement Action
Restructuring Cost and Reserve [Line Items]
Special charges								$ 0
Workforce Reductions Plan 2016
Restructuring Cost and Reserve [Line Items]
Special charges											$ 13,684
Workforce Reductions Plan 2016 | Facility Closing
Restructuring Cost and Reserve [Line Items]
Special charges											0
Workforce Reductions Plan 2016 | Reduction of Operating Costs Action
Restructuring Cost and Reserve [Line Items]
Special charges						$ 13,700					13,684
Number of manufacturing, engineering and selling, marketing, general and administrative employees related to operating costs action | employee						123
Number of employees still employed who are planned to be separated | employee								5
Workforce Reductions Plan 2016 | Early Retirement Action
Restructuring Cost and Reserve [Line Items]
Special charges											$ 0
Workforce Reductions Plan 2017
Restructuring Cost and Reserve [Line Items]
Special charges										$ 49,463
Workforce Reductions Plan 2017 | Facility Closing
Restructuring Cost and Reserve [Line Items]
Special charges										0
Workforce Reductions Plan 2017 | Reduction of Operating Costs Action
Restructuring Cost and Reserve [Line Items]
Special charges					$ 8,100					8,126
Number of manufacturing, engineering and selling, marketing, general and administrative employees related to operating costs action | employee			126		177
Number of employees still employed who are planned to be separated | employee								2
Workforce Reductions Plan 2017 | Early Retirement Action
Restructuring Cost and Reserve [Line Items]
Special charges					$ 41,300					$ 41,337
Number of manufacturing, engineering and selling, marketing, general and administrative employees related to operating costs action | employee					225
Number of employees still employed who are planned to be separated | employee								2